Using C[C@H]1Cc2c(nnn2-c2ncc(F)cn2)CN1C(=O)OC(C)(C)C to produce C[C@H]1Cc2c(nnn2-c2ncc(F)cn2)CN1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.