Using [Cr+2], CC(C)(C)C=NC=NC(C)(C)C to produce CC(C)(C)C=NC(=NC(C)(C)C)[Cr]C(N=CC(C)(C)C)=NC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.