Using COc1ccc(-n2ccn(-c3ccc(Oc4ccccc4)cc3)c2=O)cc1 to produce O=c1n(-c2ccc(O)cc2)ccn1-c1ccc(Oc2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.