Using O=C1c2ccccc2C(=O)N1CCCCCBr, CCOC(=O)CC(C)=O to produce CCOC(=O)C(CCCCCN1C(=O)c2ccccc2C1=O)C(C)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.