Using C=C[C@@H](Cn1c(Br)c(-c2cnc3ccccc3c2)c2c(N)ncnc21)NC(=O)OC(C)(C)C to produce CC(C)(C)OC(=O)N[C@H]1CCc2c(-c3cnc4ccccc4c3)c3c(N)ncnc3n2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.