Using O=Cc1ccccc1, CC(C)(C)OC(=O)[C@@H](NCCN)C(C)(C)C to produce CC(C)(C)OC(=O)[C@@H](NCCNCc1ccccc1)C(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.