Using CN(c1nc2cc(C(=O)O)ccc2nc1-c1ccc(F)cc1)C1CCN(C(=O)OC(C)(C)C)CC1 to produce CN(c1nc2cc(C(=O)O)ccc2nc1-c1ccc(F)cc1)C1CCNCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.