Using CC(C)(C)OC(=O)NC1=NC(C)(c2cccc(N)c2)COC1, Clc1nsc2cc(Br)ccc12 to produce CC(C)(C)OC(=O)NC1=NC(C)(c2cccc(Nc3nsc4cc(Br)ccc34)c2)COC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.