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