Using COCOC12CC3CC(C1)C(Nc1cnn(CC(=O)NCc4ccncc4)c(=O)c1Br)C(C3)C2 to produce O=C(Cn1ncc(NC2C3CC4CC2CC(O)(C4)C3)c(Br)c1=O)NCc1ccncc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.