Using C=C(OCC)c1ccn2c(C(=O)Nc3cccc4c3c(C)nn4Cc3cccc(C)n3)cnc2c1 to produce CC(=O)c1ccn2c(C(=O)Nc3cccc4c3c(C)nn4Cc3cccc(C)n3)cnc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.