Using CC(C)(C)OC(=O)N1CCCN(c2nc3ccccc3n2CCn2cccn2)CC1 to produce c1ccc2c(c1)nc(N1CCCNCC1)n2CCn1cccn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.