Using Cn1cc(-c2ccncc2)c(-c2ccc(O)cc2)n1, OCc1ccc2cccnc2n1 to produce Cn1cc(-c2ccncc2)c(-c2ccc(OCc3ccc4cccnc4n3)cc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.