Using CSc1nc2c(Br)cc(C)cn2c1NC(=O)OC(C)(C)C, CCCI to produce CCCN(C(=O)OC(C)(C)C)c1c(SC)nc2c(Br)cc(C)cn12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.