Using C=CCCC=O, c1ccc(-c2nc3c(nc2-c2ccccc2)NCCC3)cc1 to produce C=CCCCN1CCCc2nc(-c3ccccc3)c(-c3ccccc3)nc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.