Using COC(=O)[C@@H](C)N(CCC#N)C(=O)OC(C)(C)C to produce COC(=O)[C@@H](C)N(CCCN)C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.