Using O=C=Nc1ccc(Cl)c(Cl)c1, CCOC(=O)c1n[nH]c2cc(-c3ccc(N)cc3)ccc12 to produce CCOC(=O)c1n[nH]c2cc(-c3ccc(NC(=O)Nc4ccc(Cl)c(Cl)c4)cc3)ccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.