Using CC(C)(C)OC(=O)N1CCc2cc(O)c(NC3CCOCC3)cc2CC1, COC(=O)CBr to produce CC(C)(C)OC(=O)N1CCc2cc3c(cc2CC1)N(C1CCOCC1)C(=O)CO3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.