Using O=C1CCc2c1cccc2-c1cccc2ccccc12, COC(=O)c1ccc(CBr)cc1 to produce COC(=O)c1ccc(CC2Cc3c(cccc3-c3cccc4ccccc34)C2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.