Using COc1ccc(C(c2ccc(OC)c(OCc3ccccc3)c2)n2cncn2)cc1OCc1ccccc1 to produce COc1ccc(C(c2ccc(OC)c(O)c2)n2cncn2)cc1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.