Using COC[C@@H]1CCCN1C(=O)c1cc2nccc(Oc3ccc4c(C(=O)OC)c(C)sc4c3)c2s1 to produce COC[C@@H]1CCCN1C(=O)c1cc2nccc(Oc3ccc4c(C(=O)O)c(C)sc4c3)c2s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.