Using O=CCCCOc1cccc(CN2CCCCC2)c1, Nc1n[nH]c(N)n1 to produce Nc1n[nH]c(NCCCCOc2cccc(CN3CCCCC3)c2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.