Using CC(=O)O, Cc1cccc2c(=O)[nH]c(-c3ccc(CN4CCNCC4)cc3)cc12 to produce CC(=O)N1CCN(Cc2ccc(-c3cc4c(C)cccc4c(=O)[nH]3)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.