Using CCCn1c(=O)[nH]c(=S)c2[nH]c(C34CCC(CCC(=O)OC)(CC3)CC4)nc21, CI to produce CCCn1c(=O)nc(SC)c2[nH]c(C34CCC(CCC(=O)OC)(CC3)CC4)nc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.