Using c1ccc2c(c1)[nH]c1ccccc12, [Zr+4] to produce c1ccc2c(c1)[nH]c1c([Zr]c3cccc4c3[nH]c3ccccc34)cccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.