Using Clc1ccc(CNc2cc(Cl)nc(Cl)n2)cc1, CCOC(=O)CO to produce CCOC(=O)COc1nc(Cl)cc(NCc2ccc(Cl)cc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.