Using O=C(O)c1cnc(-c2cccnc2)n(-c2ccccc2)c1=O, O=C1CCCCC1=O to produce O=C1C=C(OC(=O)c2cnc(-c3cccnc3)n(-c3ccccc3)c2=O)CCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.