Using CCCS(=O)(=O)CCc1ccc2c(c1)C(Cc1cccc(Cl)c1)C(NC(=O)OCC)CC2 to produce CCCSCCc1ccc2c(c1)C(Cc1ccccc1)C(NC(=O)OCC)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.