Using CCN1C[C@H]2c3ccccc3[C@H](c3ccccc3)CN2C(=O)C1=O to produce CCN1CCN2C[C@@H](c3ccccc3)c3ccccc3[C@@H]2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.