Using CS(=O)(=O)Cl, O=C(NCC1CCNCC1)NC[C@H]1CN(Cc2ccc(Cl)c(Cl)c2)CCO1 to produce CS(=O)(=O)N1CCC(CNC(=O)NC[C@H]2CN(Cc3ccc(Cl)c(Cl)c3)CCO2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.