Using CN, COc1nc(SC)ncc1-c1ccc(Oc2ccnc(-c3cnn(C)c3)c2)c(C)n1 to produce CNc1ncc(-c2ccc(Oc3ccnc(-c4cnn(C)c4)c3)c(C)n2)c(OC)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.