Using CS(=O)(=O)Cl, CC(C)Cn1c(=O)n(C)c(=O)c2c(SCCCO)c(Cc3cccc4ccccc34)sc21 to produce CC(C)Cn1c(=O)n(C)c(=O)c2c(SCCCOS(C)(=O)=O)c(Cc3cccc4ccccc34)sc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.