Using NC1=NCCC(c2ccccc2)N1, CCOC(=O)CC(=O)c1ccncc1 to produce O=c1cc(-c2ccncc2)nc2n1CCC(c1ccccc1)N2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.