Using OC1c2ccccc2CCC1(Cc1ccccc1)c1c[nH]cn1 to produce c1ccc2c(c1)CCC1(c3c[nH]cn3)Cc3ccccc3C21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.