Using OB(O)c1cccnc1, COc1cc2c(cc1Br)-c1c(Br)c3c(n1CC2)C(=O)N(C(C)(C)C)CCC3 to produce COc1cc2c(cc1-c1cccnc1)-c1c(Br)c3c(n1CC2)C(=O)N(C(C)(C)C)CCC3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.