Using Cc1cc(OC2CCNCC2)ccc1NC(=O)c1nc[nH]c1C(=O)Nc1nc2ccccc2[nH]1, CC=O to produce CCN1CCC(Oc2ccc(NC(=O)c3nc[nH]c3C(=O)Nc3nc4ccccc4[nH]3)c(C)c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.