Using COC(=O)NC1Nc2ccc(Oc3ccc(NC(C)=O)cc3)nc2N1 to produce COC(=O)NC1Nc2ccc(Oc3ccc(N)cc3)nc2N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.