Using CCCC(F)(F)c1cnc2c(c1)N(C(=O)CN1C[C@@H](C)N(C(=O)OC(C)(C)C)C[C@@H]1CN1CCOC[C@H]1C)CC2(C)C to produce CCCC(F)(F)c1cnc2c(c1)N(C(=O)CN1C[C@@H](C)NC[C@@H]1CN1CCOC[C@H]1C)CC2(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.