Using Cc1cc(C)c2c(c1C)OCC2c1cccc(Br)c1, CN(C)C=O to produce Cc1cc(C)c2c(-c3cccc(C=O)c3)coc2c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.