Using CS(=O)(=O)Cl, O=C(O)c1cn2c3c(c(N4CCNCC4)ccc3c1=O)CCC2 to produce CS(=O)(=O)N1CCN(c2ccc3c(=O)c(C(=O)O)cn4c3c2CCC4)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.