Using O=Cc1ccc(Cl)cc1, CCOC(=O)Cc1csc(SCC(=O)NC[C@@H]2CNCCO2)n1 to produce CCOC(=O)Cc1csc(SCC(=O)NC[C@H]2CN(Cc3ccc(Cl)cc3)CCO2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.