Using COc1cccc(Oc2ccc(C(=O)O)c(NC(=O)c3ccccc3)c2)c1 to produce O=C(Nc1cc(Oc2cccc(O)c2)ccc1C(=O)O)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.