Using CCN1C=C[CH-]B1c1ccccc1, [Zr+4] to produce CCN1C=CC([Zr+2]C2C=CN(CC)B2c2ccccc2)B1c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.