Using COC12CCC(c3nnc4cc(-c5ccc(Cl)cc5)c(-c5ccccc5Cl)nn34)(CC1)CC2 to produce OC12CCC(c3nnc4cc(-c5ccc(Cl)cc5)c(-c5ccccc5Cl)nn34)(CC1)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.