Using COc1ccc(-c2nc3cc(-n4ccc(=O)c(OCc5ccccc5)c4)ccc3[nH]2)cc1 to produce COc1ccc(-c2nc3cc(-n4ccc(=O)c(O)c4)ccc3[nH]2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.