Using NC12CC3CC(CC(C3)C1)C2, CCCN(CC(=O)O)C(=O)OC(C)(C)C to produce CCCN(CC(=O)NC12CC3CC(CC(C3)C1)C2)C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.