Using COC(=O)CN(C(=O)OC(C)(C)C)c1ccc(O)cc1, O=C1c2ccccc2C(=O)N1CCCBr to produce COC(=O)CN(C(=O)OC(C)(C)C)c1ccc(OCCCN2C(=O)c3ccccc3C2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.