Using CC(C)(C)OC(=O)N1CCc2nc3ccnn3c(N3CCCOCC3)c2CC1 to produce c1cc2nc3c(c(N4CCCOCC4)n2n1)CCNCC3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.