Using COc1ccc(CNc2ccc3c(c2)ncn3C(=O)OC(C)(C)C)cc1, BrCc1ccc2ccccc2c1 to produce COc1ccc(CN(Cc2ccc3ccccc3c2)c2ccc3nc[nH]c3c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.