Using CCCCCCCCCCCCc1ccccc1C(SCCc1nnn[nH]1)C(=O)OC to produce CCCCCCCCCCCCc1ccccc1C(SCCc1nnn[nH]1)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.