Using CCCn1c(=O)c2[nH]c(C34CCC(C(=O)O)(CC3)CC4)nc2n(CCC)c1=O to produce CCCn1c(=O)c2[nH]c(C34CCC(CO)(CC3)CC4)nc2n(CCC)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.