Using NC(=O)C1CCCc2c1c1c(O)cccc1n2Cc1ccccc1, COC(=O)CBr to produce COC(=O)COc1cccc2c1c1c(n2Cc2ccccc2)CCCC1C(N)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.