Using C=CC(=O)N(C)C, CCc1nc2c(N)nc3cc(Br)ccc3c2n1CC1CCOCC1 to produce CCc1nc2c(N)nc3cc(/C=C/C(=O)N(C)C)ccc3c2n1CC1CCOCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.