Using NC12CC3CC(CC(C3)C1)C2, O=C1CC[C@@H](C(=O)O)N1 to produce NC(=O)[C@@H]1CCC(=O)N1C12CC3CC(CC(C3)C1)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.