Using c1ccc(CNCCCCCCCCNCc2ccccc2)cc1, C=CC(C)=O to produce CC(=O)CCN(CCCCCCCCN(CCC(C)=O)Cc1ccccc1)Cc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.