Using CS(=O)(=O)Nc1ccc(CCOS(C)(=O)=O)cc1, O=C1CC2(CCCNC2)Oc2ccccc21 to produce CS(=O)(=O)Nc1ccc(CCN2CCCC3(CC(=O)c4ccccc4O3)C2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.