Using NCCCCN1C(=O)C=C(c2ccccc2)C1=O, O=C(O)C=Cc1cccnc1 to produce O=C(C=Cc1cccnc1)NCCCCN1C(=O)C=C(c2ccccc2)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.