Using Cn1ccc2cc(-n3c(-c4ccc(CCO)cc4OCc4ccccc4)n[nH]c3=O)ccc21 to produce Cn1ccc2cc(-n3c(-c4ccc(CCO)cc4O)n[nH]c3=O)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.