Using CS(=O)(=O)c1cccc(C(=O)O)c1, O=C1CCNCC1 to produce CS(=O)(=O)c1cccc(C(=O)N2CCC(=O)CC2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.