Using O=c1c(O)c(-c2ccccc2)oc2ccccc12, N=C(N)NC[C@H]1CC[C@H](C(=O)O)CC1 to produce N=C(N)NC[C@H]1CC[C@H](C(=O)Oc2cccc(-c3cc(=O)c4ccccc4o3)c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.