Using COc1ccnc2c1CCCC2N, O=CCCCN1C(=O)c2ccccc2C1=O to produce COc1ccnc2c1CCCC2NCCCCN1C(=O)c2ccccc2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.