Using Cc1nc2ccc(Br)cc2c(-c2ccc(S(C)(=O)=O)cc2)c1C(=O)C1CC1, C1COCCN1 to produce Cc1nc2ccc(N3CCOCC3)cc2c(-c2ccc(S(C)(=O)=O)cc2)c1C(=O)C1CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.