Using CCO, Nc1nc(-c2ccc(Cl)cc2)nc(C(=O)O)c1Cl to produce CCOC(=O)c1nc(-c2ccc(Cl)cc2)nc(N)c1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.