Using COc1cc2[nH]c(=O)c3c(N)n(-c4cc(OCc5ccccc5)ccc4C)nc3c2cc1OC to produce COc1cc2[nH]c(=O)c3c(N)n(-c4cc(O)ccc4C)nc3c2cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.