Using COc1ccc2c(c1)NC(c1ccc(OC(C)C)cc1)N=C2O to produce COc1ccc2c(O)nc(-c3ccc(OC(C)C)cc3)nc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.