Using CCOC(=O)CC1CCCn2c1cc1c(SC)ccnc12, O=C(Cl)c1ccc(Cl)cc1 to produce CCOC(=O)CC1CCCn2c1c(C(=O)c1ccc(Cl)cc1)c1c(SC)ccnc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.