Using COc1cc(C(O)c2c[nH]c3ncc(Cl)cc23)c(Cl)cc1OCc1nc2ccccc2[nH]1 to produce COc1cc(Cc2c[nH]c3ncc(Cl)cc23)c(Cl)cc1OCc1nc2ccccc2[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.