Using CNc1ccc(Cc2nc(Cl)c(CC(=O)OC)c(N(C)C)n2)cc1, O=C(O)c1ccc(Cl)cc1 to produce COC(=O)Cc1c(Cl)nc(Cc2ccc(N(C)C(=O)c3ccc(Cl)cc3)cc2)nc1N(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.