Using COC(=O)c1cccc(OCCCn2c(=N)n(Cc3cccc(Br)c3)c3ccccc32)c1 to produce N=c1n(CCCOc2cccc(C(=O)[O-])c2)c2ccccc2n1Cc1cccc(Br)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.