Using CCCCC(C=O)CC, CC(C)CC(C)Nc1ccc(NC(C)CC(C)C)cc1 to produce CCCCC(CC)CN(c1ccc(N(CC(CC)CCCC)C(C)CC(C)C)cc1)C(C)CC(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.